Fix APIC timer initialization.

We used to write fields that were marked RESERVED and that
are apparently some old stale timer base. Stop doing that.

Verified with Mikael Pettersson, and confirmed to fix ACPI
boot-time lockups for a few people.

diff --git a/arch/i386/kernel/apic.c b/arch/i386/kernel/apic.c
index 97ac569c8b5ea5e92331674ab63210b9ad6e06e4..83569f8ab7ed7d8339b9cd50ca105d72aa9acc85 100644 (file)
--- a/arch/i386/kernel/apic.c
+++ b/arch/i386/kernel/apic.c
@@ -834,11 +834,10 @@ void (*wait_timer_tick)(void) = wait_8254_wraparound;
 
 void __setup_APIC_LVTT(unsigned int clocks)
 {
-       unsigned int lvtt1_value, tmp_value;
+       unsigned int lvtt_value, tmp_value;
 
-       lvtt1_value = SET_APIC_TIMER_BASE(APIC_TIMER_BASE_DIV) |
-                       APIC_LVT_TIMER_PERIODIC | LOCAL_TIMER_VECTOR;
-       apic_write_around(APIC_LVTT, lvtt1_value);
+       lvtt_value = APIC_LVT_TIMER_PERIODIC | LOCAL_TIMER_VECTOR;
+       apic_write_around(APIC_LVTT, lvtt_value);
 
        /*
         * Divide PICLK by 16